The technology behind preview photos - Facebook Engineering
First impressions matter, whether you’re on a first date, in a job interview, or just choosing new decorations for your house. Some of the first things you see when you visit someone’s profile or page on Facebook are the pictures. These pictures are an integral part of the Facebook experience, but sometimes they can be [...]Read More...
6 Aug 2015 ... These pictures are an integral part of the Facebook experience, but ... First, cover photos often reach 100 KB, even after JPEG compression.